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Date: Thu, 2 Mar 2017 19:07:38 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Arushi Singhal <arushisinghal19971997@...il.com>, lars@...afoo.de
Cc: Michael Hennerich <Michael.Hennerich@...log.com>,
Hartmut Knaack <knaack.h@....de>,
Peter Meerwald-Stadler <pmeerw@...erw.net>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
devel@...verdev.osuosl.org, outreachy-kernel@...glegroups.com
Subject: Re: [PATCH] staging: iio: ad9832: Move header file content to source
file
On 01/03/17 18:37, Arushi Singhal wrote:
> The contents of the header file are used only by this single
> source file. Move content into .c and remove .h.
>
> Signed-off-by: Arushi Singhal <arushisinghal19971997@...il.com>
Just noticed that I have another series doing this change waiting for
review so probably going to have already been fixed before you can post
a V2.
Thanks,
Jonathan
> ---
> drivers/staging/iio/frequency/ad9832.c | 100 +++++++++++++++++++++++++-
> drivers/staging/iio/frequency/ad9832.h | 128 ---------------------------------
> 2 files changed, 99 insertions(+), 129 deletions(-)
> delete mode 100644 drivers/staging/iio/frequency/ad9832.h
>
> diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c
> index a5b2f068168d..8302ec91b2d7 100644
> --- a/drivers/staging/iio/frequency/ad9832.c
> +++ b/drivers/staging/iio/frequency/ad9832.c
> @@ -20,7 +20,105 @@
> #include <linux/iio/sysfs.h>
> #include "dds.h"
>
> -#include "ad9832.h"
> +#define AD9832_FREQ0LL 0x0
> +#define AD9832_FREQ0HL 0x1
> +#define AD9832_FREQ0LM 0x2
> +#define AD9832_FREQ0HM 0x3
> +#define AD9832_FREQ1LL 0x4
> +#define AD9832_FREQ1HL 0x5
> +#define AD9832_FREQ1LM 0x6
> +#define AD9832_FREQ1HM 0x7
> +#define AD9832_PHASE0L 0x8
> +#define AD9832_PHASE0H 0x9
> +#define AD9832_PHASE1L 0xA
> +#define AD9832_PHASE1H 0xB
> +#define AD9832_PHASE2L 0xC
> +#define AD9832_PHASE2H 0xD
> +#define AD9832_PHASE3L 0xE
> +#define AD9832_PHASE3H 0xF
> +
> +#define AD9832_PHASE_SYM 0x10
> +#define AD9832_FREQ_SYM 0x11
> +#define AD9832_PINCTRL_EN 0x12
> +#define AD9832_OUTPUT_EN 0x13
> +
> +/* Command Control Bits */
> +
> +#define AD9832_CMD_PHA8BITSW 0x1
> +#define AD9832_CMD_PHA16BITSW 0x0
> +#define AD9832_CMD_FRE8BITSW 0x3
> +#define AD9832_CMD_FRE16BITSW 0x2
> +#define AD9832_CMD_FPSELECT 0x6
> +#define AD9832_CMD_SYNCSELSRC 0x8
> +#define AD9832_CMD_SLEEPRESCLR 0xC
> +
> +#define AD9832_FREQ BIT(11)
> +#define AD9832_PHASE(x) (((x) & 3) << 9)
> +#define AD9832_SYNC BIT(13)
> +#define AD9832_SELSRC BIT(12)
> +#define AD9832_SLEEP BIT(13)
> +#define AD9832_RESET BIT(12)
> +#define AD9832_CLR BIT(11)
> +#define CMD_SHIFT 12
> +#define ADD_SHIFT 8
> +#define AD9832_FREQ_BITS 32
> +#define AD9832_PHASE_BITS 12
> +#define RES_MASK(bits) ((1 << (bits)) - 1)
> +
> +/**
> + * struct ad9832_state - driver instance specific data
> + * @spi: spi_device
> + * @avdd: supply regulator for the analog section
> + * @dvdd: supply regulator for the digital section
> + * @mclk: external master clock
> + * @ctrl_fp: cached frequency/phase control word
> + * @ctrl_ss: cached sync/selsrc control word
> + * @ctrl_src: cached sleep/reset/clr word
> + * @xfer: default spi transfer
> + * @msg: default spi message
> + * @freq_xfer: tuning word spi transfer
> + * @freq_msg: tuning word spi message
> + * @phase_xfer: tuning word spi transfer
> + * @phase_msg: tuning word spi message
> + * @data: spi transmit buffer
> + * @phase_data: tuning word spi transmit buffer
> + * @freq_data: tuning word spi transmit buffer
> + */
> +
> +struct ad9832_state {
> + struct spi_device *spi;
> + struct regulator *avdd;
> + struct regulator *dvdd;
> + unsigned long mclk;
> + unsigned short ctrl_fp;
> + unsigned short ctrl_ss;
> + unsigned short ctrl_src;
> + struct spi_transfer xfer;
> + struct spi_message msg;
> + struct spi_transfer freq_xfer[4];
> + struct spi_message freq_msg;
> + struct spi_transfer phase_xfer[2];
> + struct spi_message phase_msg;
> + /*
> + * DMA (thus cache coherency maintenance) requires the
> + * transfer buffers to live in their own cache lines.
> + */
> + union {
> + __be16 freq_data[4]____cacheline_aligned;
> + __be16 phase_data[2];
> + __be16 data;
> + };
> +};
> +
> +struct ad9832_platform_data {
> + unsigned long mclk;
> + unsigned long freq0;
> + unsigned long freq1;
> + unsigned short phase0;
> + unsigned short phase1;
> + unsigned short phase2;
> + unsigned short phase3;
> +};
>
> static unsigned long ad9832_calc_freqreg(unsigned long mclk, unsigned long fout)
> {
> diff --git a/drivers/staging/iio/frequency/ad9832.h b/drivers/staging/iio/frequency/ad9832.h
> deleted file mode 100644
> index 1b08b04482a4..000000000000
> --- a/drivers/staging/iio/frequency/ad9832.h
> +++ /dev/null
> @@ -1,128 +0,0 @@
> -/*
> - * AD9832 SPI DDS driver
> - *
> - * Copyright 2011 Analog Devices Inc.
> - *
> - * Licensed under the GPL-2 or later.
> - */
> -#ifndef IIO_DDS_AD9832_H_
> -#define IIO_DDS_AD9832_H_
> -
> -/* Registers */
> -
> -#define AD9832_FREQ0LL 0x0
> -#define AD9832_FREQ0HL 0x1
> -#define AD9832_FREQ0LM 0x2
> -#define AD9832_FREQ0HM 0x3
> -#define AD9832_FREQ1LL 0x4
> -#define AD9832_FREQ1HL 0x5
> -#define AD9832_FREQ1LM 0x6
> -#define AD9832_FREQ1HM 0x7
> -#define AD9832_PHASE0L 0x8
> -#define AD9832_PHASE0H 0x9
> -#define AD9832_PHASE1L 0xA
> -#define AD9832_PHASE1H 0xB
> -#define AD9832_PHASE2L 0xC
> -#define AD9832_PHASE2H 0xD
> -#define AD9832_PHASE3L 0xE
> -#define AD9832_PHASE3H 0xF
> -
> -#define AD9832_PHASE_SYM 0x10
> -#define AD9832_FREQ_SYM 0x11
> -#define AD9832_PINCTRL_EN 0x12
> -#define AD9832_OUTPUT_EN 0x13
> -
> -/* Command Control Bits */
> -
> -#define AD9832_CMD_PHA8BITSW 0x1
> -#define AD9832_CMD_PHA16BITSW 0x0
> -#define AD9832_CMD_FRE8BITSW 0x3
> -#define AD9832_CMD_FRE16BITSW 0x2
> -#define AD9832_CMD_FPSELECT 0x6
> -#define AD9832_CMD_SYNCSELSRC 0x8
> -#define AD9832_CMD_SLEEPRESCLR 0xC
> -
> -#define AD9832_FREQ BIT(11)
> -#define AD9832_PHASE(x) (((x) & 3) << 9)
> -#define AD9832_SYNC BIT(13)
> -#define AD9832_SELSRC BIT(12)
> -#define AD9832_SLEEP BIT(13)
> -#define AD9832_RESET BIT(12)
> -#define AD9832_CLR BIT(11)
> -#define CMD_SHIFT 12
> -#define ADD_SHIFT 8
> -#define AD9832_FREQ_BITS 32
> -#define AD9832_PHASE_BITS 12
> -#define RES_MASK(bits) ((1 << (bits)) - 1)
> -
> -/**
> - * struct ad9832_state - driver instance specific data
> - * @spi: spi_device
> - * @avdd: supply regulator for the analog section
> - * @dvdd: supply regulator for the digital section
> - * @mclk: external master clock
> - * @ctrl_fp: cached frequency/phase control word
> - * @ctrl_ss: cached sync/selsrc control word
> - * @ctrl_src: cached sleep/reset/clr word
> - * @xfer: default spi transfer
> - * @msg: default spi message
> - * @freq_xfer: tuning word spi transfer
> - * @freq_msg: tuning word spi message
> - * @phase_xfer: tuning word spi transfer
> - * @phase_msg: tuning word spi message
> - * @data: spi transmit buffer
> - * @phase_data: tuning word spi transmit buffer
> - * @freq_data: tuning word spi transmit buffer
> - */
> -
> -struct ad9832_state {
> - struct spi_device *spi;
> - struct regulator *avdd;
> - struct regulator *dvdd;
> - unsigned long mclk;
> - unsigned short ctrl_fp;
> - unsigned short ctrl_ss;
> - unsigned short ctrl_src;
> - struct spi_transfer xfer;
> - struct spi_message msg;
> - struct spi_transfer freq_xfer[4];
> - struct spi_message freq_msg;
> - struct spi_transfer phase_xfer[2];
> - struct spi_message phase_msg;
> - /*
> - * DMA (thus cache coherency maintenance) requires the
> - * transfer buffers to live in their own cache lines.
> - */
> - union {
> - __be16 freq_data[4]____cacheline_aligned;
> - __be16 phase_data[2];
> - __be16 data;
> - };
> -};
> -
> -/*
> - * TODO: struct ad9832_platform_data needs to go into include/linux/iio
> - */
> -
> -/**
> - * struct ad9832_platform_data - platform specific information
> - * @mclk: master clock in Hz
> - * @freq0: power up freq0 tuning word in Hz
> - * @freq1: power up freq1 tuning word in Hz
> - * @phase0: power up phase0 value [0..4095] correlates with 0..2PI
> - * @phase1: power up phase1 value [0..4095] correlates with 0..2PI
> - * @phase2: power up phase2 value [0..4095] correlates with 0..2PI
> - * @phase3: power up phase3 value [0..4095] correlates with 0..2PI
> - */
> -
> -struct ad9832_platform_data {
> - unsigned long mclk;
> - unsigned long freq0;
> - unsigned long freq1;
> - unsigned short phase0;
> - unsigned short phase1;
> - unsigned short phase2;
> - unsigned short phase3;
> -};
> -
> -#endif /* IIO_DDS_AD9832_H_ */
>
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